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#ifndef _TCFS_MOUNT_H_
#include "tcfs_mount.h"
#endif
#define _TCFS_CIPHER_H_
#define MaxNumOfCipher 8
#define MaxCipherNameLen 8
enum {
C_TDES=0,C_BLOW=2
} ;
struct tcfs_cipher
{
char cipher_desc[MaxCipherNameLen];
int cipher_version;
int cipher_keysize;
void *(*init_key)(char*);
void (*cleanup_key)(void*);
void (*encrypt)(char*, int, void*);
void (*decrypt)(char*, int, void*);
};
extern struct tcfs_cipher tcfs_cipher_vect[MaxNumOfCipher];
#define TCFS_MP_CIPHER(mp) (((struct tcfs_mount*)(mp))->tcfs_cipher_num)
#define TCFS_CIPHER_KEYSIZE(mp)\
(tcfs_cipher_vect[TCFS_MP_CIPHER((mp))].cipher_keysize)
#define TCFS_CIPHER_VERSION(mp)\
(tcfs_cipher_vect[TCFS_MP_CIPHER((mp))].cipher_version)
#define TCFS_CIPHER_DESC(mp)\
(tcfs_cipher_vect[TCFS_MP_CIPHER((mp))].cipher_desc)
static __inline void *TCFS_INIT_KEY(struct tcfs_mount *,char *);
static __inline void *TCFS_INIT_KEY(struct tcfs_mount *mp, char *tok)
{
return (tcfs_cipher_vect[TCFS_MP_CIPHER((mp))].init_key((tok)));
}
static __inline void TCFS_CLEANUP_KEY(struct tcfs_mount*,void*);
static __inline void TCFS_CLEANUP_KEY(struct tcfs_mount* mp,void* tok)
{
(tcfs_cipher_vect[TCFS_MP_CIPHER((mp))].cleanup_key((tok)));
return;
}
static __inline void TCFS_ENCRYPT(struct tcfs_mount*,char*,int,void*);
static __inline void TCFS_ENCRYPT(struct tcfs_mount *mp,char *blk,int len,void *key)
{
(tcfs_cipher_vect[TCFS_MP_CIPHER((mp))].encrypt((blk),(len),(key)));
return;
}
static __inline void TCFS_DECRYPT(struct tcfs_mount*,char*,int,void*);
static __inline void TCFS_DECRYPT(struct tcfs_mount *mp,char *blk,int len,void *key)
{
(tcfs_cipher_vect[TCFS_MP_CIPHER((mp))].decrypt((blk),(len),(key)));
return;
}
void mkencrypt (struct tcfs_mount *, char *, int, void*);
void mkdecrypt (struct tcfs_mount *, char *, int, void*);
/* prototipi funzioni */
void *cnone_init_key(char *);
void cnone_cleanup_key(void*);
void cnone_encrypt(char *, int , void*);
void cnone_decrypt(char *, int , void*);
#define NONE_KEYSIZE 0
void *TDES_init_key(char *);
void TDES_cleanup_key(void*);
void TDES_encrypt(char *, int , void*);
void TDES_decrypt(char *, int , void*);
#define TDES_KEYSIZE 8
void *BLOWFISH_init_key(char *);
void BLOWFISH_cleanup_key(void*);
void BLOWFISH_encrypt(char *, int , void*);
void BLOWFISH_decrypt(char *, int , void*);
#define BLOWFISH_KEYSIZE 8
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